Home / 100,832.40-151,127.10-58,631.40

Finding the Fourth Proportional to 100,832.40, 151,127.10 and 58,631.40

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Solution

The fourth proportional to 100,832.40, 151,127.10 and 58,631.40 is: 87,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,832.40 : 151,127.10 = 58,631.40 : x
  2. Step 2: Convert to fraction form
    100,832.40/151,127.10 = 58,631.40/x
  3. Step 3: Cross multiply
    100,832.40x = 151,127.10 × 58,631.40
  4. Step 4: Simplify right side
    100,832.40x = 8,860,793,450.94
  5. Step 5: Solve for x
    x = 8,860,793,450.94/100,832.40
  6. Step 6: Final answer
    x = 87,876.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.